import time
from datetime import datetime,timedelta

from flask import render_template, request, current_app, session, url_for, redirect, g, jsonify, abort

from info import constants, db
from info.models import User, News, Category
from info.modules.admin import admin_blu
from info.utils.commom import user_login_data
from info.utils.image_storage import storage
from info.utils.response_code import RET


@admin_blu.route("/news_type",methods = ["GET","POST"])
def news_type():
    if request.method =="GET":
        try:
            categories = Category.query.all()
        except Exception as e:
            current_app.logger.error(e)
            return render_template("admin/news_type.html",errmsg = "查询数据错误")

        category_dict_li = []
        for category in categories:
            cate_dict = category.to_dict()
            category_dict_li.append(cate_dict)


        category_dict_li.pop(0)
        data = {
            "categories":category_dict_li
        }

        return render_template("admin/news_type.html",data = data)
    # 新增或者添加分类
    # 1.取参数
    # 如果屎编辑已经存在的分类，需要传过来id,如果是新添加分类，则不需要传过来id
    cname = request.json.get("name")
    #如果传过来cid，代表屎编辑已经存在的分类
    cid = request.json.get("id")
    if not cname:
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")
    if cid:
        try:
            cid =int(cid)
            category = Category.query.get(cid)
        except Exception as e:
            current_app.logger.error(e)
            return jsonify (errno=RET.PARAMERR, errmsg="参数错误")

        if not category:
            return jsonify(errno=RET.NODATA, errmsg="未查询到分类数据")
        category.name = cname
    else:
        category = Category()
        category.name =cname
        db.session.add(category)

    return jsonify (errno=RET.OK, errmsg="OK")




@admin_blu.route("/news_edit_detail",methods = ["get","post"])
def news_edit_detail():
    if request.method == "GET":
        # 查询点击的新闻的相关数据并传入到模板中
        news_id = request.args.get("news_id")
        if not news_id:
             abort(404)
        try:
            news_id = int(news_id)
        except Exception as e:
            current_app.logger.error(e)
            return render_template('admin/news_edit_detail.html', errmsg="参数错误")

        try:
            news = News.query.get(news_id)
        except Exception as e:
            current_app.logger.error(e)
            return render_template('admin/news_edit_detail.html', errmsg="查询数据错误")

        if not news:
            return render_template('admin/news_edit_detail.html', errmsg="未查询到数据")
        # 查询分类数据

        try:
            categories = Category.query.all()
        except Exception as e:
            current_app.logger.error(e)
            return render_template("damin/news_edit_detail.html",errmsg = "查询数据错误")

        category_dict_li = []
        for category in categories:
            cate_dict = category.to_dict()
            if category.id == news.category_id:
                cate_dict["is_selected"] = True
            category_dict_li.append(cate_dict)

        # 移除最新的分类
        category_dict_li.pop(0)
        data = {
            "news":news.to_dict(),
            "categories":category_dict_li
        }

        return render_template("admin/news_edit_detail.html",data=data)

    # 取到post劲来额数据
    news_id = request.form.get("news_id")
    title = request.form.get("title")
    digest = request.form.get("digest")
    content = request.form.get("content")
    index_image = request.files.get("index_image")
    category_id = request.form.get("category_id")
    ## 判断是否有值
    if not all([title,digest,content,category_id]):
        return jsonify(errno=RET.PARAMERR, errmsg="参数有误")
    # 查询自己编辑的这个新闻的id
    try:
        news = News.query.get(news_id)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.DBERR, errmsg="数据查询失败")

    if not news:
        return jsonify(errno=RET.NODATA, errmsg="未查询到新闻数据")
    #获取图片
    if index_image:
        try:
            index_image = index_image.read()
        except Exception as e:
            current_app.logger.error(e)
            return jsonify(errno=RET.PARAMERR, errmsg="参数有误")
        # 将图片上传到7🐮云
        try:
            key = storage(index_image)
        except Exception as e:
            current_app.logger.error(e)
            return jsonify(errno=RET.THIRDERR, errmsg="上传图片错误")
        news.index_image_url = constants.QINIU_DOMIN_PREFIX+key

    news.title = title
    news.digest = digest
    news.content = content
    news.category_id = category_id

    return jsonify(errno=RET.OK, errmsg="OK")

@admin_blu.route("/news_edit")
def news_edit():
    """新闻编辑"""
    page = request.args.get("p",1)
    keywords = request.args.get("keywords",None)

    try:
        page = int(page)
    except Exception as e:
        current_app.logger.error(e)
        page = 1

    news_list = []
    current_page = 1
    total_page = 1
    filters = [News.status ==0]
    # 如果关键字存在，那么就添加关键字搜索
    if keywords:
        filters.append(News.title.contains(keywords))
    try:
        paginate = News.query.filter(*filters).order_by(News.create_time.desc()).paginate(page,constants.ADMIN_NEWS_PAGE_MAX_COUNT,False)
        news_list = paginate.items
        current_page = paginate.page
        total_page = paginate.pages
    except Exception as e:
        current_app.logger.error(e)

    news_dict_list = []
    for news in news_list:
        news_dict_list.append(news.to_basic_dict())

    context = {"total_page":total_page,"current_page":current_page,"news_List":news_dict_list}
    return render_template('admin/news_edit.html', data=context)


@admin_blu.roue("/news_review_action",methods = ["POST"])
def news_review_action():
    # 接受参数
    news_id = request.json.get("news_id")
    action = request.json.get("action")

    # 校验参数
    if not all([news_id,action]):
        return jsonify(errno = RET.PARAMERR,errmsg = "参数错误")

    if action not in ("accept","reject"):
        return jsonify(errno = RET.PARAMERR,errmsg = "参数错误")

    # 查询到指定的新闻数据
    try:
        news = News.query.get(news_id)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.DBERR, errmsg="数据查询失败")

    if action == "accept":
        news.status =0
    else:
        reason  = request.json.get("reason")
        if not reason:
            return jsonify(errno=RET.PARAMERR, errmsg="请输入拒绝原因")
        news.status = -1
        news.reason = reason
    return jsonify(errno=RET.OK, errmsg="OK")


@admin_blu.route("/news_review_detail/<int:news_id>")
def news_review_detail(news_id):
    news = None
    try:
        news = News.query.get(news_id)
    except Exception as e:
        current_app.logger.error(e)

    if not news:
        return render_template("admin/news_review_detail.html",data = {"errmsg":"未查询到此新闻"})

    data = {'news':news.to_dict()}
    return render_template("admin/news_review_detail.html",data = data)

@admin_blu.route("/news_review")
def news_review():
    page = request.args.get("p",1)
    keywords = request.args.get("keywords",None)
    try:
        page = int(page)
    except Exception as e:
        current_app.logger.error(e)
        page = 1

    news_list = []
    current_page = 1
    total_page = 1

    # filters = [News.status != 0]
    # # 如果关键字存在，那么就添加关键字搜索
    # if keywords:
    #     filters.append(News.title.contains(keywords))
    # try:
    #     paginate = News.query.filter(*filters) \
    #         .order_by(News.create_time.desc()) \
    #         .paginate(page, constants.ADMIN_NEWS_PAGE_MAX_COUNT, False)
    #
    #     news_list = paginate.items
    #     current_page = paginate.page
    #     total_page = paginate.pages
    # except Exception as e:
    #     current_app.logger.error(e)

    if not keywords:
        try:
            paginate = News.query.filter(News.status != 0).order_by(News.create_time.desc()).paginate(page,constants.ADMIN_NEWS_PAGE_MAX_COUNT,False)
            news_list = paginate.items
            current_page = paginate.page
            total_page = paginate.pages
        except Exception as e:
            current_app.logger.error(e)
    else:
        try:
            paginate = News.query.filter(News.status != 0,News.title.contains(keywords)).order_by(News.create_time.desc()).paginate(page,constants.ADMIN_NEWS_PAGE_MAX_COUNT,False)
            news_list = paginate.items
            current_page = paginate.page
            total_page = paginate.pages
        except Exception as e:
            current_app.logger.error(e)
    news_dict_list = []
    for news in news_list:
        news_dict_list.append(news.to_review_dict())

    context = {"totalpage":total_page,"current_page":current_page,"news_list":news_dict_list}

    return render_template("admin/news_review.html",data = context)


@admin_blu.route("/user_list")
def user_list():
    page = request.args.get("page",1)

    try:
        page = int(page)
    except Exception as e:
        current_app.logger.error(e)
        page = 1

    users =[]
    current_page = 1
    total_page = 1

    try:
        paginate = User.query.filter(User.is_admin ==False).paginate(page,constants.ADMIN_USER_PAGE_MAX_COUNT,False)
        users = paginate.items
        current_page = paginate.page
        total_page = paginate.pages
    except Exception as e:
        current_app.looger.error(e)
    user_dict_li = []
    for user in users:
        user_dict_li.append(user.to_admin_dict())

    data = {
            "users": user_dict_li,
            "total_page": total_page,
            "current_page": current_page
        }

    return render_template('admin/user_list.html', data=data)

@admin_blu.route("/user_list")
def user_list():
    page = request.args.get("page",1)

    try:
        page = int(page)
    except Exception as e:
        current_app.logger.error(e)
        page = 1

    users =[]
    current_page = 1
    total_page = 1

    try:
        paginate = User.query.filter(User.is_admin ==False).paginate(page,constants.ADMIN_USER_PAGE_MAX_COUNT)
        users = paginate.items
        current_page = paginate.page
        total_page = paginate.pages
    except Exception as e:
        current_app.logger.error(e)

        # 进行模型列表转字典列表
        user_dict_li = []
        for user in users:
            user_dict_li.append(user.to_admin_dict())

        data = {
            "users": user_dict_li,
            "total_page": total_page,
            "current_page": current_page,
        }

        return render_template('admin/user_list.html', data=data)

@admin_blu.route("/user_count")
def user_count():
    # 总人数
    total_count = 0
    try:
        total_count = User.query.filter(User.is_admin==False).count()
    except Exception as e:
        current_app.looger.error(e)

    # 月新增人数
    mon_count = 0
    t = time.localtime()
    # 把字符串变成日期
    begin_mon_date = datetime.strptime(("%d-%02d-01" % (t.tm_year,t.tm_mon)),"%Y-%m-%d")
    try:
        # 创建表的日期大于刚开始的日期
        mon_count = User.query.filter(User.is_admin==False,User.create_time>begin_mon_date).count()
    except Exception as e:
        current_app.logger.error(e)

    #日新增人数
    day_count = 0
    begin_day_date = datetime.strptime(("%d-%02d-%02d" % (t.tm_year,t.tm_mon,t.tm_mday))),"%Y-%m-%d"
    try:
        day_count = User.query.filter(User.is_admin == False, User.create_time > begin_day_date).count()
    except Exception as e:
        current_app.logger.error(e)

    # 拆线图数据
    active_time = []
    active_count =[]
    #渠道今天的时间字符串
    today_date_str = ("%d-%02d-%02d" % (t.tm_year,t.tm_mon,t.tm_mday))
    # 转成时间对象
    today_date = datetime.strptime(today_date_str,"%Y-%m-%d")

    for i in range(0,31):
        # 取到某一天的0点0分
        begin_date = today_date - timedelta(days=i)
        #取到下一天的0点0分
        end_date = today_date - timedelta(days=(i-1))
        count = User.query.filter(User.is_admin==False,User.last_login >= begin_date,User.last_login<end_date).count()
        active_count.append(count)
        # 把日期，转换成字符串
        active_time.append(begin_date.strftime("%Y-%m-%d"))
        # 反转，让最近的一天显示在最后
        active_time.reverse()
        active_count.reverse()


    data = {
        "total_count": total_count,
        "mon_count": mon_count,
        "day_count": day_count,
        "active_time": active_time,
        "active_count": active_count
    }
    return render_template("admin/user_count.html",data=data)




@admin_blu.route("/index")
@user_login_data
def index():
    user = g.user
    return render_template("admin/index.html",user =user.to_dict())

@admin_blu.route("/login",methods=["GET","POST"])
def login():
    if request.method =="GET":
        # 判断当前是否有登录，如果有登录直接重定向到管理员后台主页
        user_id = session.get("user_id",None)
        is_admin = session.get("is_admin",None)
        if user_id and  is_admin:
            return redirect(url_for("admin.index"))
        return render_template("admin/login.html")

    #取到参数
    username = request.form.get("username")
    password = request.form.get("password")

    #判断参数,这里不是ajax刷新，用模板的错误信息返回，在前端里判断是否有
    #errmsg,有就返回
    if not all([username,password]):
        return render_template("admin/login.html",errmsg="参数错误")

    # 查询当前用户
    try:
        user = User.query.filter(User.mobile==username,User.is_admin==True).first()
    except Exception as e:
        current_app.looger.error(e)
        return render_template("admin/login.html",errmsg="用户信息查询失败")

    if not user:
        return render_template("admin/login.html",errmsg="未查询到用户信息")

    if not user.check_password(password):
        return render_template('admin/login.html', errmsg="用户名或者密码错误")

    # 保存用户的登陆信息
    session["user_id"] = user.id
    session["mobile"] = user.mobile
    session["nick_name"] = user.nick_name
    session["is_admin"] = user.is_admin


    # 跳转到后面管理首页
    return render_template(url_for("admin.index"))